Nature Photonics· Nele Tornow·· 6 days agoAI score57
Optics industryNature Photonics: Nonlinear Circular Dichroism Reveals Local Berry Curvature in Crystals
Nonlinear circular dichroism reveals the local Berry curvature
Topics and contents
Topic
On this page
AI briefing
A paper published online in Nature Photonics on October 13 finds that nonlinear high-harmonic circular dichroism can be used to reveal local Berry curvature in crystals with broken time-reversal symmetry.
Full text
Nature Photonics, Published online: 13 October 2026; doi:10.1038/s41566-026-02025-8
The nonlinear high harmonic circular dichroism for crystals with broken time-reversal symmetry is found to be directly proportional to the local Berry curvature, and it can be directly probed via ultrafast all-optical measurements.
Source: Nature Photonics · nature.com